Seiko Cal. 3847 - 977

The 3847-977 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-2190fa48eb4c]

Also known as: Monster, Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1976

Related Models

• Seiko 5675-727
• Seiko 6191-474
• Seiko 4575-194
• Seiko 6374-638
• Seiko 0777-386
• Seiko 7025-395
• Seiko 5228-557
• Seiko 6657-609
• Seiko 0712-303
• Seiko 5262-355
• Seiko 4524-604
• Seiko 7070-926